/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.dmn.core.compiler.alphanetbased;

import java.util.ArrayList;
import java.util.List;

public class ResultCollector {

    private final List<Object> results = new ArrayList<>();

    public void addResult(Object o) {
        results.add(o);
    }

    public void clearResults() {
        results.clear();
    }

    public Object getWithHitPolicy() {
        return results.isEmpty() ? null : results.get(0);
    }
}
